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-rw-r--r--drivers/iommu/arm-smmu-v3.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 3ea4d57..4c5ef4e 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -857,15 +857,17 @@ static void arm_smmu_cmdq_skip_err(struct arm_smmu_device *smmu)
};
dev_err(smmu->dev, "CMDQ error (cons 0x%08x): %s\n", cons,
- cerror_str[idx]);
+ idx < ARRAY_SIZE(cerror_str) ? cerror_str[idx] : "Unknown");
switch (idx) {
- case CMDQ_ERR_CERROR_ILL_IDX:
- break;
case CMDQ_ERR_CERROR_ABT_IDX:
dev_err(smmu->dev, "retrying command fetch\n");
case CMDQ_ERR_CERROR_NONE_IDX:
return;
+ case CMDQ_ERR_CERROR_ILL_IDX:
+ /* Fallthrough */
+ default:
+ break;
}
/*
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